Manley Performance Platinum Series Piston Set 99.50mm 8.5:1 2002-2007 WRX / 2004-2007 STI Turbosmart-InStock it naturally heats up—hotter air

it naturally heats up—hotter air is less dense

The rigid construction minimizes deflection

performance-oriented shift response

This exhaust system is engineered to deliver a powerful mid to top-end horsepower and torque boost

ensuring your engine runs smoothly and efficiently under high-performance conditions

Manley Performance Platinum Series Piston Set 99.50mm 8.5:1 2002-2007 WRX / 2004-2007 STI Turbosmart-InStock it naturally heats up—hotter airPush your Subaru WRX or WRX STI to the next level with the Manley Performance Platinum Series Piston Set. Designed for enthusiasts who demand durability and power, these forged pistons deliver reliable performance for 2002 2007 WRX and 2004 2007 WRX STI models. Whether youre rebuilding a tired engine or upgrading for serious power, these pistons are engineered to perform under pressure. Featuring a precise 99. 50mm bore size and an 8. 5: 1 compression